""I monotor the world via the internet

"First I check Buoy weather at bouyweather.com to see where the swell will focus and which direction the winds will be. Then I check the national data buoy center at http://seaboard.ndbc.noaa.gov to know exactly when the swell will hit, and how big it will actually get. Below are the links:"

WAM Link

Hawaii Buoy Weather

National Buoy Center